The ABB FIA Formula E Ad Diriyah E-Prix track is "one of the most challenging" in the series' history and has been compared to "Suzuka with walls" by the drivers.

The 1.5-mile track, which hosts FE's 2018/19 season-opener this weekend, features 21 turns and has two distinct halves.

The first undulating, flowing section runs from Turns 1 to 14, before several high speed blasts that include one long, wide straight make up the rest of the course.

It is mainly narrow - apart from the straight between Turn 17, where the attack mode activation is located away from the natural exit of the corner, and Turn 18, which will form the first corner of the race.

Several drivers revealed that the elevation changes were more severe than they expected from their simulated preparation ahead of the race.

"Just surviving the track is going to be an achievement itself," Mahindra Racing driver Felix Rosenqvist, who is making a one-off return to the series in place of Pascal Wehrlein, told Autosport.

"It looks very difficult. I'd say it's, together with Rome, probably the most impressive track we have. Some sections look proper hairy. But that's cool as well to end [my FE career] on a track like that."

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